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FishBase
Food and Feeding Habits Summary Prosopium williamsoni
 
Main Ref. Thompson, G.E. and R.W. Davies, 1976
Fish stage adults Mean length 27.50 TL
Sample size 63 Percent empty
Country Canada Locality Sheep River, Calgary, Alberta
Period
  • January
  • February
  • March
  • April
  • May
  • June
  • July
  • August
  • September
  • October
  • November
  • December
Highlighted items on the list are known Feeding Periods of Prosopium williamsoni
Diet percent Food I Food II Food III Prey stage Item Name Comments
3.40 % zoobenthos insects insects larvae Coleoptera Coleoptera
4.40 % zoobenthos insects insects larvae Plecoptera Plecoptera
10.10 % zoobenthos insects insects larvae Hemiptera Hemiptera
12.80 % zoobenthos insects insects larvae Trichoptera Trichoptera
13.50 % zoobenthos insects insects larvae Diptera Diptera
25.20 % zoobenthos insects insects pupae Ephemeroptera Ephemeroptera
3.00 % zoobenthos other benth. invertebrates n.a./other benth. invertebrates juv./adults Hydracarina Hydracarine
27.60 % zoobenthos other benth. invertebrates n.a./other benth. invertebrates juv./adults invertebrates terrestial invertebrates
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